EP4614185A4 - DEVICE FOR PROCESSING OPTICAL SIGNALS, CHIP, LASER RADAR AND END DEVICE - Google Patents

DEVICE FOR PROCESSING OPTICAL SIGNALS, CHIP, LASER RADAR AND END DEVICE

Info

Publication number
EP4614185A4
EP4614185A4 EP22966105.3A EP22966105A EP4614185A4 EP 4614185 A4 EP4614185 A4 EP 4614185A4 EP 22966105 A EP22966105 A EP 22966105A EP 4614185 A4 EP4614185 A4 EP 4614185A4
Authority
EP
European Patent Office
Prior art keywords
chip
optical signals
laser radar
processing optical
end device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP22966105.3A
Other languages
German (de)
French (fr)
Other versions
EP4614185A1 (en
Inventor
Menglin Li
Tonghui Liu
Wei Wang
Anliang Yu
Huahong Zhang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Yinwang Intelligent Technology Co Ltd
Original Assignee
Shenzhen Yinwang Intelligent Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Yinwang Intelligent Technology Co Ltd filed Critical Shenzhen Yinwang Intelligent Technology Co Ltd
Publication of EP4614185A1 publication Critical patent/EP4614185A1/en
Publication of EP4614185A4 publication Critical patent/EP4614185A4/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/08—Systems determining position data of a target for measuring distance only
    • G01S17/32—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S17/34—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4814—Constructional features, e.g. arrangements of optical elements of transmitters alone
    • G01S7/4815—Constructional features, e.g. arrangements of optical elements of transmitters alone using multiple transmitters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/491—Details of non-pulse systems
    • G01S7/4911—Transmitters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/491—Details of non-pulse systems
    • G01S7/4912—Receivers
    • G01S7/4913—Circuits for detection, sampling, integration or read-out
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/491—Details of non-pulse systems
    • G01S7/4912—Receivers
    • G01S7/4917—Receivers superposing optical signals in a photodetector, e.g. optical heterodyne detection
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
    • G01S7/4812—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver transmitted and received beams following a coaxial path
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4818—Constructional features, e.g. arrangements of optical elements using optical fibres
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/499—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00 using polarisation effects

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Optical Communication System (AREA)
EP22966105.3A 2022-11-22 2022-11-22 DEVICE FOR PROCESSING OPTICAL SIGNALS, CHIP, LASER RADAR AND END DEVICE Pending EP4614185A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2022/133583 WO2024108406A1 (en) 2022-11-22 2022-11-22 Optical signal processing apparatus, chip, laser radar, and terminal

Publications (2)

Publication Number Publication Date
EP4614185A1 EP4614185A1 (en) 2025-09-10
EP4614185A4 true EP4614185A4 (en) 2025-12-24

Family

ID=91194921

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22966105.3A Pending EP4614185A4 (en) 2022-11-22 2022-11-22 DEVICE FOR PROCESSING OPTICAL SIGNALS, CHIP, LASER RADAR AND END DEVICE

Country Status (4)

Country Link
US (1) US20250283986A1 (en)
EP (1) EP4614185A4 (en)
CN (1) CN119487415A (en)
WO (1) WO2024108406A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118688817B (en) * 2024-08-23 2025-06-13 深圳市速腾聚创科技有限公司 Laser radar detection method and laser radar
DE102024128422A1 (en) * 2024-10-01 2026-04-02 Bayerische Motoren Werke Aktiengesellschaft Lidar device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190391459A1 (en) * 2018-06-20 2019-12-26 Samsung Electronics Co., Ltd. Light steering apparatus and system including the light steering apparatus
US20210181320A1 (en) * 2019-12-12 2021-06-17 Aeva, Inc. Performing speckle reduction using polarization
US20210373157A1 (en) * 2020-05-26 2021-12-02 United States Of America As Represented By The Administrator Of Nasa Ambiguity Mitigation for FMCW Lidar System
US20220352695A1 (en) * 2020-01-13 2022-11-03 Ours Technology, Llc Silicon-assisted packaging of high power integrated soa array

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102244362A (en) * 2011-06-14 2011-11-16 西北大学 Three-level multi-channel principal oscillation-power amplification coherent compound myriawatt-level optical fiber laser
CN107037533A (en) * 2017-03-24 2017-08-11 昂纳信息技术（深圳）有限公司 Array laser radar light-dividing device and its light-splitting method
US11650296B2 (en) * 2018-02-16 2023-05-16 Xiaotian Steve Yao Optical sensing based on wavelength division multiplexed (WDM) light at different wavelengths in light detection and ranging LiDAR systems
CN109991582B (en) * 2019-03-13 2023-11-03 上海交通大学 Silicon-based hybrid integrated lidar chip system
CN110109083B (en) * 2019-05-05 2023-06-27 上海交通大学 3D Scanning LiDAR Based on 1D Optical Phased Array
CN113406603B (en) * 2021-08-19 2021-12-03 武汉镭晟科技有限公司 Laser module for coherent laser radar
CN114895318B (en) * 2022-05-10 2024-10-11 中国科学院长春光学精密机械与物理研究所 LiDAR System

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190391459A1 (en) * 2018-06-20 2019-12-26 Samsung Electronics Co., Ltd. Light steering apparatus and system including the light steering apparatus
US20210181320A1 (en) * 2019-12-12 2021-06-17 Aeva, Inc. Performing speckle reduction using polarization
US20220352695A1 (en) * 2020-01-13 2022-11-03 Ours Technology, Llc Silicon-assisted packaging of high power integrated soa array
US20210373157A1 (en) * 2020-05-26 2021-12-02 United States Of America As Represented By The Administrator Of Nasa Ambiguity Mitigation for FMCW Lidar System

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2024108406A1 *

Also Published As

Publication number Publication date
EP4614185A1 (en) 2025-09-10
WO2024108406A1 (en) 2024-05-30
US20250283986A1 (en) 2025-09-11
CN119487415A (en) 2025-02-18

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RIC1 Information provided on ipc code assigned before grant

Ipc: G01S 7/484 20060101AFI20251114BHEP

Ipc: G01S 7/4912 20200101ALI20251114BHEP

Ipc: G01S 7/4911 20200101ALI20251114BHEP

Ipc: G01S 7/4913 20200101ALI20251114BHEP

Ipc: G01S 17/34 20200101ALI20251114BHEP

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